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"Kimm w www 9 CLEANSING MJD FAIWS REMOVING DEVICE Filed March 2L?.

vli'atvented Dec. 29, 19125..,

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Be it known that I, GEORGE L. Wintntm soN, a citizen of the United States of Ameria ca, and resident of Chicago, Cook County, Illinois, have invented. e, new and luseful Cleansing and Paint-Removing Device, of

whichl the following is :i specification;

The object ofthis invention is to provide an improved device constructed und ,arranged for the application of o strenni of heated water, and with it a chemical solu' tion, to an object `for the removing of grease, paint or other substances therefrom, d

A. further Object of this invention `is to provide improved means forapplying a jet vof hot water under pressure to an object, said [be applied to the object for the removal of I jet mingling end carrying with it an injected strecni or streams of chemical solution to grease, paint or the like ltliderefromfl i A further object of this invention is to l provide enfiniproved construction for e noz- V'zle adapted for the application of hot water and one ormoi-e chemicals under pressure,

said nozzle having connectionsfoi receivingV thc various liquids from seperate sources f and uniting them in a common stream. dieV chai-ged from the nozzle.-

My invention consists arrangement and combinetion of elements hereinafter set forth, pointed out in my t claims and illustrated by the accompanying F" re 1 is an elevation illustrating the Vcomplete assembly for the' application oil grease and 'paint removing suhstz'i'dnces according to my invention. Figure 2 issn end view of the nozzle, on en enlarged. scalei Figure 3 is z ilongitudinal section of. the

nozzle,` showing the feed pipes uttached ing a. gas service pipe 11 for supplying' fuel to a burner (not shown), and water, under city main pressurepiefernbly, is supplied to the heater, aiid heated therein, through a, gips 12.4 Heated. water is conveyed from the l eater by a pipe'i, with. which is associated a thermometer." 1321-' Chemical titnks 14, 15, in this instance two in number, are arranged in elevated. position, es b mounting them on a shelf 16 or other suite vle support. Water in the construction,-

'of the heater, by means o.

,small diameter, which in 'may' introduced to the tank 14 by means of a pipe 17 connected with the service pipe 12 and' controlled by e cut ofi' valve 18; and to the tank 15, y ineens of e pipe i9 conr nected with thepipe'i? sind controlledby a cut on.' 'valve Q0,v Chemicals may be introduced. to the tanks 14,- 15 by curing them therein or in any other suitebe manner, to

forni the desired solutions with the water introduced through the pipes, andthe valves 18 and. 20 are closed except at such times as water ie being admitted to the tanins'.

A nozzle 2i is provided, havin a lon tudinol here formed on .several di erent i cineters as hereinafter explained, intending from end to end ond Hoving Intersil connce tions for introduction of various liquids6 The reci* end of the bore of the nozzle 2i norJ inally is closed by a screw plug' 2z which may removed :it times for the pur ose of cleaning the nozzle ond reinovin eposits from its'bore or lateral connections. The nozzle 21 proper is e unitary structure, not essein 'led of seperate ports and the boro thereof hos a common woll, The' rear por-m tion of the bore of the nozzle 2i ic of relu@ tively large diameter end is desgneted by the niiineuniA 23 sind with it communicates z lateral passage 24 opening to the sideof the nozzle and adopted to receive threculed,conJ nection of c pi e 25 with which is connected e valve 26J o the pipe E25 is connected a flexible member s ucli as s hose 27, attached at its opposite end to o, short section of rigid pipcz connected with the pi e 1 3 at the tcp which water, heated tothe desired temperature, and under pressure of the city incins, 1s supplied to the nozzle At its inner end the geestige z3 coinniunh cotes with c restricted `ore 9,

of relatively tui-n communicates with e 4lissage 30, of larg-ei* diameter but yet less ieineter than the passage 23. Coin@` municating with the passage 30 is e lateralpassage 31. vopening to one wall of thenozzle and receiving;` communication of a pipe 32, equip 'd with d controllingjvalve 3,- Attache to the pijc 32 is a flexiblemeinbpf such es o hose o, which communicates in turn. with c short section of rigid. ipe 35 having communication thi ugh e T, o with the pi 17 lecding the iii-st chemiccltank 14. c T 3o Ween the valve 18 and the tznk 14, ond between seid 1" and thetauk lis a valve 37 by means of which flow of chemical from the tankmay be controlled or cutjod entirely.

At its inner end the passage communicates with a passage 38 of larger diameter, preferably of approximately the same ldiam( ter as the base passage 23, which passage 38 opens to the forward lend of the nozzle. Communicating with the passage 38 is a lateralI passage 39 opening to one wall of the nozzle and receiving communication of a fpi'pe 40l threaded therein, equipped with a controlling valve 41. Attached to the pipe 40 is a'exible member such as a hose 42, lwhich, communicates in turn with a pipe 43 fhaving. communication through a T 44 with the ipipe'19 leading` to the second chemical tank 15.? vThe T 44 is between the valvef20 andthe'tank 15, and between said 'l' and the hose142fisfa" valve 45 by means of which How of "chemical solution from the tank may be controlled or cut off entirely.

The several passages 23, 29, 30 and38 are in'` alinement longitudinally of the nozzle 21j and 4constitute the bore previously referre'd to.' The passages 24,31 and 39 eX- tendlaterally 'from the bore in the same 'dieA rection so that the pipes 25, 32 and 40 are ar- 20, Vthe controlling valves 26, 33 and 41 at the y'ranged' in spacedparallel relation and constitute a ymeans by which the nozzle may be held and -manipulated with reference -to a work object, the fiexible connections'27, 34 and 42 making it possible to move the nozzle about and also turn it on a transverse axis to direct the'stream to the Idesired location. The passages 31 are inclined in the direction ofthe How of liquid -through the bore of the nozzle.

' In practical use water is` introduced to the tanks 14, 15 by opening the valves 18, 37 and nozzle being closed.` The desired chemicals" are placed in the tanks to make the solutions'therein. As soon as the tanks are filled the valves 18p'andv20 are closed, and remain closed during use ofthe device. The valves l 37r and`45 are opened to `permit chemical solution to flow by gravity from the tanks to the pipes 35, 43 and'hose 34, 42, and vwater fndertpressure'also is admitted to lthe pipe Q28andl hose 27 from the heater 10. Thereafter the nozzle ismanipulated to direct a stream from the opening of the passage 38,

the valves 26, 33 and 41, which are adjacent 'the' nozzle and thus within reach of the y"operator, being 'opened to the desired extent v4to admit the requisite amount of liquid from each of the hose connections and its communicating members. The heated water,

under pressure, passes throughthe lateral passage 24 andpenlarged passage 23 to the restricted passage `or port 29, by which it is stricted, and thel water emerges'in a solid astsaid' port-2.9, through .the passages 30 and up by the jet of hot water in the passages.

30 and 38-and mingled with and carried 'along by said stream or jet of water and with it applied to the work object. The

passage of the restricted jet of water through the passages 30 and 38 creates a partial vacuum in said chambers, which causes the iuids from lateral passages 31 and 39 to be carried along with it. The controlling valves 26, 33 and 41 are manipulated to control the several streams of fluid to supply the desired amount at any given time. v Y

'The chemical employed in the tank 14`is one which is a solvent of mineral and vegetable oils, effective with an application of water heated to approximately 180 degrees Fahrenheit; and the chemical usually employed in the tank 15 is a neutralizing agent which nullifies the effect of the first chemical after a certain length of time subsequent to application, so there. can be no injurious effects to the work object. After application of a sufiicient amount of water and chemicals, the valves 33 and 41 may been-l tirely closed and Water alone 'applied to the surface to Wash off any residue. The device l is used for removing paint or accumulations of oil and grease from surfaces such as automobile bodies, engines and so. forth, and provides an effective and rapid means for doing this.

I claim as my invention- 1. Acleansing and paint-removing'apparatus, comprising a heater, a tank separate from the heater adaptedto contain cleansing liquid, another tank separatev from .the

ioo.

heater and first tank adapted to contain a i liquid neutralizing agent, a water-supply system communicating with said heater and tanks. a valve in said system controlling the supply of water to said tanks, a valve-controlled conduit leading from said heater, a

valve in said supply system between the inlets' therefrom to the Irespective tanks, valve-controlled conduitsleading from the supply system between the first valve and the inlets to the respective tanks, valves conktrolling the connections between said conf duits and the supply system and tanks,.and a nozzle common to and communicating w'th ail of saidl conduits, whereby separate liquids supplied by the tanks may be discharged by `and with a jet of water from said heater,

the ratio of quantities of said liquids and the heated water ybeing controlled by the valves in therespective conduits.

2. A cleansing and paint-removing apparatus, comprising a heater, gravity-dellvering' tanks adapted to contain cleansing' liquid and a liquid neutralizing-agent re- 4fili sources of supply of heated water,cleansing lliquid and neutralizing liquid, of 'a nozzleV said supply system are transformed into' gravity-discharging systems for said tanks respectively, separate discharge conduits leading from said heater and discharge-sys- 'tem portions of the' supply system, a nozzle common to said conduits, and valves in said conduits whereby' the ratio of quantities of Water, cleansing li uid and neutralizing liquid may be contro ed.

3. In a cleansing and paintremoving apparatus, the combination' with separate of .unitary structure having va single uninterrupted longitudinal bore having a com- .mon Wall and composed of a series of endwise-connecting passages and ports arranged in sequence and comprising a rela tively large passage at its initial end adapted to receive heated Wat-er, a restricted port communicating with said passage adapted to increase the velocity of Water passing through it, a passage larger than and communicating with said restricted port and adapted to receive cleansing liquid, and a still larger terminal passage communicatf ing with thesecond passage and adapted to receive neutralizing liquid, means for intro- -ducing heated water under pressure to the initial passage, means inclined in the direction of ythe travel of the Water through the bore for introducing cleansing liquid to said second passage to minglel with the water after its passage through the restricted port, and means inclined in the direction of the travel. of the cleansing liquid through the bore for-introducing neutralizing li uid to lsaid terminal passage to mingle with the water and cleansing liquidhbefore their joint discharge from the nozzle, said introducing means beiner separately valve-controlled.

4. In a ceansing and paint-removing apparatus, the combination with separate sources of supply of heated Water, cleansing liquid and neutralizing liquid, of a nozzle of unitary structure having a single 1min-- terrupted longitudinal bore havlng a common wall composed of a series of endwise- 4connecting passagesand ports arranged in sequence and comprising a relatively large passage at its initial .end adapted to receive heate water, a restricted port communicating with said passage adapted to increase I the velocity of Water passing through it, a passage larger than and communicating with said restricted ort and adapted to receive cleansing liquid, and a still larger terminal passage communicating with the second passage and adapted to receive neutralizing liquid, means for introducing heated water under pressure to the initial passage, means for introducing cleansing liquid by 1gravity to said second passage to mingle wit the water after its passage through said restricted port, means for introducing neutralizing liquid by avity to saidtermina] passage to mingle with the Water and cleanslng liquid before their ioint discharge from the nozzle, the several introducing means opening through said common wall 1n spaced relation, and separate exible connections between said introducing means and said sources of supply, said introducin means being separately valve-controlled, t ev water cember, 1923. l

. GEO. L. WILLIAMSON. 

